NASA develops ingenious solution to fix its troubled ‘Lucy’ asteroid explorer
the Lucy spacecraft designed to explore the Trojan asteroids trapped near Jupiter's Lagrange points. However, a problem arose just 12 hours after launch — one of the large solar arrays designed to generate power from an increasingly distant Sun had failed to fully deploy and latch. Now, NASA hasthat a team was able to troubleshoot the problem sufficiently for the mission to continue — thanks to several clever tricks.
Since there's no camera aimed at the solar arrays, the team had to figure out another way to find the problem. To that end, they fired the spacecraft's thrusters to measure any anomalous vibrations, and created a detailed model of the array's motor assembly to determine the array's rigidness. They finally figured out that a lanyard designed to pull the array open was probably snagged on its spool. The team quickly honed in on two potential solutions.
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